Chapter 1 Signal and System Modeling Concepts

Chapter 1 Signal and System Modeling Concepts - time...

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Secti Signal: qu System: a Systems? Circuits: Chapt ion 1 1 an uantity that anything tha ? Signals? ݕሺ what are sig ter 1 Sign nd Sectio is variable w at process/p ሺݐሻ ൌ ௗ௫ሺ௧ሻ ௗ௧ ; gnals and sys nal and S n 1 2 Sign with time or roduce sign ݕሺݐሻ ൌ ׬ ݔ stem? System M nals/Syst space. Find als ݔሺ߬ሻ݀߬ Modelin ems Conc d signals in t ng Conce cepts and the above ex epts d Example xample syste 1 es em.
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2 Example 1 3 Discrete time integration: what are the signals and system? Following : What are the signals and system?
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3 Practical system versus mathematical system Section 1 3 Signal Models 1. Deterministic and random Signals Deterministic: known time or spacial function Random:
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4
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5 2. Continuous time versus Discrete
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Unformatted text preview: time Signals Continuous time signals: value is concerned continuously with time or space (different from continuous function continuous: with respect to value) Discrete time signals: values are concerned or defined only at discrete time instants (different from quantized signal whose value only has a finite resolution) can be obtained by sampling continuous time signal or directly defined by the application Example 1 5: the unit pulse and unit step signals 1, 0 0, 1, 0 0, 0 What are given by 5?...
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This note was uploaded on 01/19/2012 for the course EE 421 taught by Professor Zhicheng during the Spring '11 term at Ohio State.

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Chapter 1 Signal and System Modeling Concepts - time...

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